99165545 has 4 divisors (see below), whose sum is σ = 118998660. Its totient is φ = 79332432.

The previous prime is 99165527. The next prime is 99165551. The reversal of 99165545 is 54556199.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55115776 + 44049769 = 7424^2 + 6637^2 .

It is a cyclic number.

It is not a de Polignac number, because 99165545 - 2⁸ = 99165289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99165496 and 99165505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9916550 + ... + 9916559.

It is an arithmetic number, because the mean of its divisors is an integer number (29749665).

Almost surely, 2^99165545 is an apocalyptic number.

It is an amenable number.

99165545 is a deficient number, since it is larger than the sum of its proper divisors (19833115).

99165545 is a wasteful number, since it uses less digits than its factorization.

99165545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19833114.

The product of its digits is 243000, while the sum is 44.

The square root of 99165545 is about 9958.1898455492. The cubic root of 99165545 is about 462.8642098294.

The spelling of 99165545 in words is "ninety-nine million, one hundred sixty-five thousand, five hundred forty-five".